VoIP is the newest advancement in audio communications technology, and has a variety of different applications that make it useful. VoIP stands for Voice over Internet Protocol, and how VoIP works is actually quite revolutionary because it streamlines the process of sending analog audio signals by converting them to a much easier to send digital form for transmission.

To understand how VoIP works, you’ll need to understand the basic concept behind regular analog audio communication as well, since this is the precursor for VoIP. Analog phone calls are actually made via fiber optic networks by digitizing your voice communications for sending the signal across thousands of miles, but once it gets to the final destination (a home or office phone, for instance), the signal is once again converted to analog.

During these calls, the switches remain open even while there is dead air and no conversation is taking place; the circuit is also open in both directions even when only one party is talking and the other is… How VoIP Works